These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

A lonely memorial to the Challenger Space Shuttle, honoring the astronauts who died in 1986.

Beautiful hillside Vermont cemetery with amazing funerary art.

This large cemetery is known as the museum of granite sculptures.

This historic folk museum celebrates the attention to detail that makes America great.

A 60-foot-tall tower provides unparalleled views of the southern Green Mountains.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Inside this old mill is a collection of images that will always remain frozen in time.

The oldest tavern in Lowell has dedicated fans of its fan.

One of the earliest—and most commonly forgotten—acts of rebellion against English rule.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A mountaintop space observatory that is certified dark.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A memorial sculpture to heath hens stands on the spot where the last heath hen, Booming Ben, was last seen.

The scarce remains of a sunken ship peek out from the sand on East Beach.

New Hampshire's most beloved war hero lived out his retirement in this peaceful homestead.

The oldest surviving presidential residence in the United States.

Step back in time on this preserved 1800s farm.